diff --git a/htdocs/core/lib/functions2.lib.php b/htdocs/core/lib/functions2.lib.php
index 3fc40f8c8fee0..c315939d327b0 100644
--- a/htdocs/core/lib/functions2.lib.php
+++ b/htdocs/core/lib/functions2.lib.php
@@ -551,9 +551,9 @@ function get_next_value($db,$mask,$table,$field,$where='',$objsoc='',$date='',$m
 
     // For debugging
     //include_once(DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php');
-    //$mask='{yyyy}-{0000}';
+    //$mask='FA{yy}{mm}-{0000@99}';
     //$date=dol_mktime(12, 0, 0, 1, 1, 1900);
-    //$date=dol_stringtotime('20121001');
+    //$date=dol_stringtotime('20130101');
 
     // Extract value for mask counter, mask raz and mask offset
     if (! preg_match('/\{(0+)([@\+][0-9\-\+\=]+)?([@\+][0-9\-\+\=]+)?\}/i',$mask,$reg)) return 'ErrorBadMask';